Home / 71,365.02-107,062.56-26,990.80

Finding the Fourth Proportional to 71,365.02, 107,062.56 and 26,990.80

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Solution

The fourth proportional to 71,365.02, 107,062.56 and 26,990.80 is: 40,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.02 : 107,062.56 = 26,990.80 : x
  2. Step 2: Convert to fraction form
    71,365.02/107,062.56 = 26,990.80/x
  3. Step 3: Cross multiply
    71,365.02x = 107,062.56 × 26,990.80
  4. Step 4: Simplify right side
    71,365.02x = 2,889,704,144.45
  5. Step 5: Solve for x
    x = 2,889,704,144.45/71,365.02
  6. Step 6: Final answer
    x = 40,491.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.